書誌事項
- タイトル別名
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- WIND TUNNEL EXPERIMENTS ON DRAG COEFFICIENT OF TREES WITH THE LEAF AREA DENSITY AS A REFERENCE AREA
- ヨウメンセキ ミツド オ ダイ ヒョウメンセキ ト シタ ジュモク ノ テイコウ ケイスウ ニ カンスル フウドウ ジッケン
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説明
Drag coefficient of trees was investigated with wind tunnel experiment using real young trees. After the measurement of drag force in several wind speed conditions, the leaf area density were counted every 10cm cubic space by cutting whole leaves within them. Then drag coefficient of tree was calculated using this leaf density as a reference area. The results obtained were as follows. 1. Wind velocity distribution behind tree was mainly dependent on the total leaf area and local arrangement of leaves. 2. The drag coefficient of trees whose shape is largely deformed by wind force becomes smaller with increasing wind velocity. 3. The leaf area density could partly explain the variation of tree's drag coefficient, though these relations were not so clear for some kinds of trees which have extremely crowded foliage or considerably apart from each other on the contrary.
収録刊行物
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- 日本建築学会環境系論文集
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日本建築学会環境系論文集 69 (578), 71-77, 2004
日本建築学会
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詳細情報 詳細情報について
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- CRID
- 1390001205202190592
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- NII論文ID
- 110004083803
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- NII書誌ID
- AA11830377
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- ISSN
- 1881817X
- 13480685
- http://id.crossref.org/issn/13480685
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- NDL書誌ID
- 6915283
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDLサーチ
- Crossref
- CiNii Articles
- OpenAIRE
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- 抄録ライセンスフラグ
- 使用不可
